Ergodyne Chill-Its 6230 Cooling Vest with Ice Packs， L/XL<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Maintains constant 64F/18C</li><li>Cooling lifecycle lasts up to four hours</li><li>Comfortable cotton construction with hook &amp; loop closure</li><li>Extended vest surface area to enhance cooling power</li><li>Non-toxic， non carcinogenic， dielectric substance</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41oa5ZSpYdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/418cM%2BK0HLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vvekRL6sL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412b3vYox4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61fTX1CoNJL.jpg" noproxy>